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Operating Instructions SATA FDG
Warning!
Use of unsuitable spare parts in potentially explosive atmos-
pheres
■ Spare parts that do not comply with the ATEX directive can cause
explosions in a potentially explosive atmosphere. This can result in
serious injury and death.
■ Only use original spare parts.
Warning!
Explosion hazard triggered by ignition sources in explosive
atmosphere
■ Metal parts can generate sparks (e.g. by falling and hitting other metal
parts). Sparks can cause explosions in explosive atmospheres. This
can result in serious injury and death.
■ Never carry out maintenance or cleaning work in an explosive atmos-
phere.
11.1. Check the safety valve
Risk of injury from defective safety valve
A defective safety valve fails to vent the material pressure tank properly
and it can explode.
→ Check the safety valve regularly. If no air is discharged at the safety
valve, stop the pressure tank immediately and replace the safety valve.
The safety valve [2‑3] / [3‑3] / [8‑10] / [9‑10] may only be checked by au-
thorised staff with adequate know-how in this field.
■ Close the bleeder valve.
■ Pressurise the material pressure tank within the permitted range.
■ Check the safety valve by turning to the left. Air must be heard to be
discharged.
■ Close the safety valve again after it has been checked.
11.2. Check the tank cover seal
■ Open the material pressure tank (see chapter 10.4).
■ Check the seal between tank cover [1‑5] / [7‑8] and pressure tank
[1‑8] / [7‑10] for any signs of damage.
■ Close the material pressure tank (see chapter 10.4).
Warning!
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